Any advice on using a dummy for sucky babies? My 8 week son wants to feed every 2 hours, but usually just sucks the teat and takes 1/2 to 1oz. Don't really want to give him a dummy at night as he sleeps for 3-4 hour stretches without the help of a dummy. Can I just give the dummy for 30 mins here and there to stall him til the next feed?